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  1. class Counter:
  2.     def __init__(self):
  3.         self.n = 0
  4.  
  5.     def __call__(self):
  6.         current = self.n
  7.         self.n += 1
  8.         return current
  9.  
  10. a = Counter()
  11. b = Counter()
  12. print a(), a()
  13. print b(), b()
  14. print a(), a()
Success #stdin #stdout 0.08s 10840KB
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Standard input is empty
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0 1
0 1
2 3
https://ideone.com/hOyHJ
language:
Python (cpython 2.7.16)
created:
11 years ago
visibility:
public

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